$ git clone -n https://src.fedoraproject.org/rpms/flatseal.git /var/lib/mock/f40-build-2663907-67030/root/chroot_tmpdir/scmroot/flatseal
Cloning into '/var/lib/mock/f40-build-2663907-67030/root/chroot_tmpdir/scmroot/flatseal'...
$ git fetch origin 2c95a84acf9142f6ade9c6a5d133e9ccc27fe0e8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flatseal
 * [new ref]         2c95a84acf9142f6ade9c6a5d133e9ccc27fe0e8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c95a84 Update to 2.1.2